<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action = "">
        姓名<input type = "text">
    <br>
        密码<input type = "password">
    <br>
        <input type = "radio" name = "gender" checked = "">男
        <input type = "radio" name = "gerder">女
    <br>
        爱好
        <input type = "checkbox">吃饭
        <input type = "checkbox">睡觉
        <input type = "checkbox">玩游戏
    <br>
        <input type = "button" value = "这是一个普通的按钮" onclick = "alert('hello')">
    </form>
</body>
</html>